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NSN 4820-01-317-0555Government record, cited

Valve, Safety Relief4820-01-317-0555

NSN 4820-01-317-0555 · NIIN 013170555 · Part number 3911012
Hiab Usa Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 34914
Government record, cited
NSN 4820-01-317-0555 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-317-0555. Manufacturer of record part number: 3911012.
Also searched as  4820-01-317-0555 · 4820013170555 · NIIN 013170555 · 01-317-0555 · FSC 4820 Valves, Nonpowered · CAGE 34914 · 3911012
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: DISK
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 3552.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Disk Loading Method: SPRING
Identification
  • NSN: 4820-01-317-0555
  • NIIN: 013170555
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 3911012
  • Manufacturer: Hiab Usa Inc
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-317-0555, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-317-0555
Primary Part Number3911012
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHiab Usa Inc
StatusACTIVE
Flow Control DeviceDISK
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Operating Pressure3552.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread DirectionRIGHT-HAND ALL ENDS
Disk Loading MethodSPRING
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
MaterialSTEEL BODY
Thread Series DesignatorBSP.TR EXT ALL ENDS
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3911012 PRIMARY Hiab Usa Inc (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-317-0555?

NSN 4820-01-317-0555 is a Valve,safety Relief, manufactured by Hiab Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-317-0555?

NSN 4820-01-317-0555 has 1 manufacturer part number on file: 3911012 (Hiab Usa Inc).

What are the specifications of 3911012?

Key specifications for 3911012: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-317-0555 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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